Home / 325,025.10-487,825.65-191,738.70

Finding the Fourth Proportional to 325,025.10, 487,825.65 and 191,738.70

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Solution

The fourth proportional to 325,025.10, 487,825.65 and 191,738.70 is: 287,777.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,025.10 : 487,825.65 = 191,738.70 : x
  2. Step 2: Convert to fraction form
    325,025.10/487,825.65 = 191,738.70/x
  3. Step 3: Cross multiply
    325,025.10x = 487,825.65 × 191,738.70
  4. Step 4: Simplify right side
    325,025.10x = 93,535,055,957.66
  5. Step 5: Solve for x
    x = 93,535,055,957.66/325,025.10
  6. Step 6: Final answer
    x = 287,777.95

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.